7 10
0 0 0 1 1 1 1 1 1 0
0 1 1 1 0 0 0 0 1 0
1 1 0 0 0 1 1 0 1 1
1 4 0 0 0 3 0 0 2 1
1 0 0 0 0 0 0 0 1 1
1 1 1 1 1 1 0 0 1 0
0 0 0 0 0 1 1 1 1 0